Home / 20,926,734.93-31,390,698.57-5,780,668.05

Finding the Fourth Proportional to 20,926,734.93, 31,390,698.57 and 5,780,668.05

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Solution

The fourth proportional to 20,926,734.93, 31,390,698.57 and 5,780,668.05 is: 8,671,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,734.93 : 31,390,698.57 = 5,780,668.05 : x
  2. Step 2: Convert to fraction form
    20,926,734.93/31,390,698.57 = 5,780,668.05/x
  3. Step 3: Cross multiply
    20,926,734.93x = 31,390,698.57 × 5,780,668.05
  4. Step 4: Simplify right side
    20,926,734.93x = 181,459,208,290,779.69
  5. Step 5: Solve for x
    x = 181,459,208,290,779.69/20,926,734.93
  6. Step 6: Final answer
    x = 8,671,166.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.